Determine the mass of copper released during electrolysis. The charge passed through the electrolyte
May 30, 2021 | education
| Determine the mass of copper released during electrolysis. The charge passed through the electrolyte is 300 C. The electrochemical equivalent of copper is 0.33 mg / C.
To find out the mass of copper that should have been released during electrolysis, we use the formula (we apply the first Faraday’s law): m = kсu * q.
Const: kсu – electrochemical equivalent of copper (according to the condition, we take kсu = 0.33 mg / C, in SI ksu = 0.33 * 10-6 kg / C).
Data: q – charge passed through the taken electrolyte (q = 300 C).
Let’s perform the calculation: m = kсu * q = 0.33 * 10-6 * 300 = 99 * 10-6 kg = 99 mg.
Answer: During electrolysis, 99 mg of copper should have been released.
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